WASHINGTON (Reuters) - The United States, Canada, and Mexico have proposed to amend a landmark global pact protecting the ozone layer to fight emissions of a refrigerant chemical thousands of times more potent a greenhouse gas than carbon dioxide, the U.S. EPA said on Thursday.

VENICE, Louisiana (Reuters) - Oil from a massive spill in the Gulf of Mexico sloshed ashore on a chain of islands off the Louisiana coast on Thursday as the Obama administration accused BP Plc and its partners of making "very major mistakes" in the ill-fated drilling operation.

The first scientific results from ESA's Herschel infrared space observatory are revealing previously hidden details of star formation. New images show thousands of distant galaxies furiously building stars and beautiful star-forming clouds draped across the Milky Way. One picture even...

( Carnegie Mellon University ) Mary Shaw, the Alan J. Perlis Professor of Computer Science at Carnegie Mellon University, has been selected by the IEEE Computer Society's Technical Council on Software Engineering as the first recipient of its Distinguished Educator Award.

MOBILE, Alabama (Reuters) - While a vast containment operation dumps gallons of chemical dispersant and lays miles of plastic boom to attack a massive spreading oil slick, some U.S. Gulf Coast residents are turning to more unlikely remedies -- hair and pantyhose.

( Optical Society of America ) Devices that can mimic Superman's X-ray vision and see through clothing, walls or human flesh are the stuff of comic book fantasy, but a group of scientists at Boston University has taken a step toward making such futuristic devices a reality. The...